Refrigerator



FIG. 1 is a front perspective view of a refrigerator, showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines are for environmental purposes only and form no part of the claimed design. The shade lines in the figures show contour and not surface ornamentation. The diagonal line in FIGS. 1 and 2 are to show a reflective surface. 

CLAIM The ornamental design for a refrigerator, as shown and described. 